package com.xkcoding.springbootdemoelasticsearch.config;

import java.net.InetAddress;

import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.TransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @Configuration用于定义配置类，可替换xml配置文件
 */
@Configuration
public class EsConfig {
	private static final Logger logger = LoggerFactory.getLogger(EsConfig.class);
	/**
	 * elk集群地址
	 */
	@Value("${elasticsearch.host}")
	private String hostName;
	/**
	 * 端口
	 */
	@Value("${elasticsearch.port}")
	private String port;
	/**
	 * 集群名称
	 */
	@Value("${elasticsearch.cluster.name}")
	private String clusterName;
	/**
	 * 连接池
	 */
	@Value("${elasticsearch.pool}")
	private String poolSize;

	/**
	 * Bean name default 函数名字
	 * 
	 * @return
	 */
	@Bean
	public TransportClient init() {
		logger.info("初始化开始。。。。。");
		TransportClient transportClient = null;
		try {
			// 配置信息
			Settings esSetting = Settings.builder().put("client.transport.sniff", true)// 增加嗅探机制，找到ES集群
					.put("thread_pool.search.size", Integer.parseInt(poolSize))// 增加线程池个数，暂时设为5
					.build();
			// 配置信息Settings自定义,下面设置为EMPTY
			transportClient = new PreBuiltTransportClient(Settings.EMPTY);
			TransportAddress transportAddress = new TransportAddress(InetAddress.getByName(hostName),
					Integer.valueOf(port));
			transportClient.addTransportAddresses(transportAddress);
		} catch (Exception e) {
			logger.error("elasticsearch TransportClient create error!!!", e);
		}
		return transportClient;
	}
}